Scott Lowell

as White House Chief of Staff

as Mark

as Dr. Tim Reid

(1 episode) as Richard Wakefield

as Richard Schultz

(1 episode) as Conlon

(1 episode) as David Hernande

as Tom

(1 episode) as Andrew Grant

as Henry (segment "Wraparound")

(2 episodes) as Professor

(1 episode) as Barney (voice)

(1 episode) as Mike Hicks

(1 episode) as (voice)

(3 episodes) as Dr. Douglas Filmore

(1 episode) as Terry Thomas

as Charlie (wraparound segments)

as Funny Guy

as Laird Jones

(83 episodes) as Ted Schmidt

(1 episode) as Gavin Pearson

as Ian

(1 episode) as Carl

(1 episode) as Chuck